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LR-7 Knee Joint
膝关 〔膝關〕xī guān
Channel: LR, Foot Reverting Yīn (jué yīn) Liver Channel
Modern location: An acupoint located on the medial aspect of the lower leg, below the inferior border of the medial condyle of the tibia, in the medial head of the gastrocnemius muscle, 1 cùn posterior to SP-9.
Classic location: In the depression two cùn below the Inner Eye of the Knee (M-LE-16). (Zhēn Jiǔ Dà Chéng)
Local anatomy: At the deeper level, the posterior tibial artery. The branch of the medial sural cutaneous nerve; deeper, the tibial nerve.
Action: Frees the channels and network vessels; disinhibits the joints; dispels wind and relieves pain.
Modern indications:
Classic indications: Pain in the medial aspect of the knee causing an inability to bend or extend the leg; smaller abdominal pain accompanied by pharyngeal pain; wind impediment (fēng bì).
Needle stimulus: Needling: 0.3‒0.6 cùn perpendicular insertion. Moxa: 3‒5 cones; pole 5 min.
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